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Altera_Forum's avatar
Altera_Forum
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15 years ago

Programming second CPU

Hello I'm using a Cyclone III starter board and trying to build a system with 2 cpu's but can't get them to work together. I've got both in one SOPC system. CPU1 has a reset vector of ex...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I've used 2 cpus, but I exposed the soft reset lines and only released the cpus once all the code was in place (loaded by an external Avalon master).

If the two cpus share any resources (or communicate through shared memory) you might want to get one of them to load all the code then release the second from reset.

You could possibly run code on the cpu that works to find out whether the other cpu has performed any of its reset code.